Picture viewers supporting multi-page TIFF
Eastman Software Imaging for Windows®
This application had been attached with Microsoft Windows since Windows 95 OSR2/98/ME/NT/2000.
Windows Picture and Fax Viewer
It is attached with Windows XP/2003.
Microsoft Office Document Imaging
It is atteched with Microsoft Office 2003.
It's cool and freeware. But, if you are a commercial user, you should register it by sending some money.
It is designed for plug-in. Freeware.
Currently, Imaging for Windows was named as G360 Imaging for Windows and sold by eiStream.
Shareware, $49.00 per single license.